From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 9 Sep 2016 23:20:13 +0000 (-0400)
Subject: m32r: fix __get_user()
X-Git-Tag: firefly_0821_release~176^2~4^2~28^2~27
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=163a6508543598ce62c089df34866999dc169e5c;p=firefly-linux-kernel-4.4.55.git

m32r: fix __get_user()

commit c90a3bc5061d57e7931a9b7ad14784e1a0ed497d upstream.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/arch/m32r/include/asm/uaccess.h b/arch/m32r/include/asm/uaccess.h
index cac7014daef3..6f8982157a75 100644
--- a/arch/m32r/include/asm/uaccess.h
+++ b/arch/m32r/include/asm/uaccess.h
@@ -219,7 +219,7 @@ extern int fixup_exception(struct pt_regs *regs);
 #define __get_user_nocheck(x, ptr, size)				\
 ({									\
 	long __gu_err = 0;						\
-	unsigned long __gu_val;						\
+	unsigned long __gu_val = 0;					\
 	might_fault();							\
 	__get_user_size(__gu_val, (ptr), (size), __gu_err);		\
 	(x) = (__force __typeof__(*(ptr)))__gu_val;			\